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PostgreSQL Database

Installation

Windows:

Install Postgres. Then add this to your system PATH variable C:/Program Files/PostgreSQL/<version>/bin/

Debian:

sudo apt install postgresql
sudo apt install postgresql-client-common
sudo apt install postgresql-client

Setup

Tipps:

  • Open psql command line: psql -U postgres
  • List all users: \du
  • Start the database server: postgres -D /.../PostgreSQL/16/data

Login as admin:

PGPASSWORD=my-password
psql -U postgres # For creation and dropping
psql -U postgres -d wrestling_scoreboard # For altering database wrestling_scoreboard
psql -U postgres -d wrestling_scoreboard -c "SELECT semver FROM migration LIMIT 1;" # Run command

On Linux you may want to log in as postgres user: sudo -u postgres -i

Use this on peer authentication:

sudo -u postgres psql postgres # For creation and dropping
sudo -u postgres psql wrestling_scoreboard # For altering database wrestling_scoreboard
sudo -u postgres psql wrestling_scoreboard -c "SELECT semver FROM migration LIMIT 1;" # Run command

User

Create own user wrestling, replace my-password with the password of your choice:

psql -U postgres -c "CREATE USER wrestling WITH PASSWORD 'my-password';"

Import / Restore prepopulated database & schema

You can Export, Restore, Reset or Upgrade your database from the server web page. Or you execute these steps manually:

Reset wrestling_scoreboard database from within the database postgres:

psql -U postgres -c "DROP DATABASE IF EXISTS wrestling_scoreboard;"
psql -U postgres -c "CREATE DATABASE wrestling_scoreboard WITH OWNER = wrestling;"

Assign wrestling as owner of public schema from within the database wrestling_scoreboard:

psql -U postgres -d wrestling_scoreboard -c "ALTER SCHEMA public OWNER TO wrestling;"

For peer authentication execute these commands inside the according psql shell.

Restore prepopulated database, execute in directory server:

psql --file=./database/dump/PostgreSQL-wrestling_scoreboard-dump.sql --username=wrestling --host=localhost --port=5432 wrestling_scoreboard

Export / Dump existing database

Export database, execute in directory server:

pg_dump --dbname=wrestling_scoreboard --file=./database/dump/PostgreSQL-wrestling_scoreboard-dump.sql --schema=public --username=wrestling --host=localhost --port=5432